Home / 141,777.10-212,982.45-118,449.10

Finding the Fourth Proportional to 141,777.10, 212,982.45 and 118,449.10

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Solution

The fourth proportional to 141,777.10, 212,982.45 and 118,449.10 is: 177,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,777.10 : 212,982.45 = 118,449.10 : x
  2. Step 2: Convert to fraction form
    141,777.10/212,982.45 = 118,449.10/x
  3. Step 3: Cross multiply
    141,777.10x = 212,982.45 × 118,449.10
  4. Step 4: Simplify right side
    141,777.10x = 25,227,579,518.30
  5. Step 5: Solve for x
    x = 25,227,579,518.30/141,777.10
  6. Step 6: Final answer
    x = 177,938.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.